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Flash butt welding of marine pipeline materials

Journal Article · · Weld. J. (Miami); (United States)
OSTI ID:6592849
US engineers agree that Soviet flash butt welding machines used to join segments of marine pipelines substantially reduce manpower and increase production rates over conventional methods (manual shielded metal arc welding). Extensive tests with a Soviet-built prototype machine (K775) and US-manufactured support equipment confirmed the system's reliability, wide operating tolerances, and easy adaptability to variable welding parameters. In addition, radiographic, ultrasonic, and mechanical tests demonstrated that a strip-chart recording of welding parameters is a good indicator of weld quality, lending itself to in-process control and rapid diagnosis of equipment problems. Because of the K775 prototype's success, McDermott is proceeding with the design and manufacture of production flash butt welding machines for marine pipeline construction.
Research Organization:
McDermott Inc., New Orleans, LA
OSTI ID:
6592849
Journal Information:
Weld. J. (Miami); (United States), Journal Name: Weld. J. (Miami); (United States); ISSN WEJUA
Country of Publication:
United States
Language:
English